Encyclopedia of Nutritional Psychology

Psychonutritional education is a term used in the emerging field of nutritional psychology to describe the integration of psychological theories and concepts with scientific research on nutrition and dietary patterns,…

Psychosis is a disruption in reality perception involving delusions, hallucinations, or both. It can occur across psychiatric, neurological, and medical conditions rather than representing one single disorder.

Psychotherapy, or talk therapy,is a structured form of psychological treatment that uses evidence-based therapeutic approaches to help individuals understand and manage emotions, thoughts, behaviors, and interpersonal difficulties.

Psychotic disorders are severe mental illnesses involving disruptions in reality perception, thinking, emotions, and behavior. Common features include hallucinations, delusions, disorganized thinking, and disorganized or unusual motor behavior.

Purging behaviors are compensatory behaviors used by eating disorder patients, in which they forcibly eject food from their bodies in an effort to regulate their weight and/or physical appearance (Wade,…

The Reinforcement Sensitivity Theory is a theory of personality that proposes that there are 3 systems in the brain regulating that underlie individual differences in sensitivity to reward, punishment, and…

The intentional restriction of food intake to prevent weight gain or to promote weight loss. Restrained eating is consistently linked with overeating behaviors in response to negative psychological processes incurred…

Restrictive eating refers to intentionally limiting the amount, type, or variety of food consumed. It may involve consciously eating less, avoiding particular foods, restricting food choices, or limiting intake because of concerns about weight, body shape, health, or other motivations.

Small, evaporative molecules emanating from foods in our mouth while chewing that travel from the oral cavity through the nasopharynx subsequently stimulating receptors on the nose’s olfactory epithelium. Retronasal odors…

An appetite-related stimulus given to a human or animal that, because of its rewarding characteristics, influences repeated consumption and reinforces the probability of that consumption occurring again. In the Diet-Mental…